Just thought to followup that I've ran into the same situation
box got slow, but this time before I restarted NFS server I've mentioned
that it was slow both under VNC and in new logins.
After restart of NFS server new logins returned to normal, but session
in VNC remained slow.
Not sure what could I do to troubleshoot but at least would provide list
of open "files" from vncserver -- may be it would give a hint:
$> of 9734
COMMAND PID USER FD TYPE DEVICE SIZE NODE NAME
Xvnc4 9734 yoh cwd DIR 0,22 16384 1367693347
/raid/home/yoh (raidserver:/raid/home)
Xvnc4 9734 yoh rtd DIR 254,0 912 2 /
Xvnc4 9734 yoh txt REG 254,1 6524261 2439
/usr/bin/Xvnc4
Xvnc4 9734 yoh mem REG 254,0 47520 23173
/lib/libnss_files-2.7.so
Xvnc4 9734 yoh mem REG 254,0 1375536 23176
/lib/libc-2.7.so
Xvnc4 9734 yoh mem REG 254,0 93016 6168
/lib/libgcc_s.so.1
Xvnc4 9734 yoh mem REG 254,0 534736 23175
/lib/libm-2.7.so
Xvnc4 9734 yoh mem REG 254,1 1019216 951
/usr/lib/libstdc++.so.6.0.10
Xvnc4 9734 yoh mem REG 254,1 93504 3128
/usr/lib/libz.so.1.2.3.3
Xvnc4 9734 yoh mem REG 254,0 119288 23182
/lib/ld-2.7.so
Xvnc4 9734 yoh DEL REG 0,8 121077768
/SYSV00000000
Xvnc4 9734 yoh DEL REG 0,8 102268935
/SYSV00000000
Xvnc4 9734 yoh DEL REG 0,8 101875718
/SYSV00000000
Xvnc4 9734 yoh DEL REG 0,8 101482501
/SYSV00000000
Xvnc4 9734 yoh DEL REG 0,8 100663300
/SYSV00000000
Xvnc4 9734 yoh DEL REG 0,8 66093059
/SYSV00000000
Xvnc4 9734 yoh DEL REG 0,8 65634306
/SYSV00000000
Xvnc4 9734 yoh 0u IPv4 30648297 TCP *:x11-1
(LISTEN)
Xvnc4 9734 yoh 1u unix 0xffff8100f4584140 30648298
/tmp/.X11-unix/X1
Xvnc4 9734 yoh 2w REG 0,22 10196 1746297377
/raid/home/yoh/.vnc/ravana:1.log (raidserver:/raid/home)
Xvnc4 9734 yoh 3u IPv4 30648300 TCP *:5901
(LISTEN)
Xvnc4 9734 yoh 4u unix 0xffff8100f29af680 30648301 socket
Xvnc4 9734 yoh 5u unix 0xffff810056c75cc0 30648322
/tmp/.X11-unix/X1
Xvnc4 9734 yoh 6u unix 0xffff810034121a40 30657221
/tmp/.X11-unix/X1
Xvnc4 9734 yoh 7u unix 0xffff8101041308c0 30648326
/tmp/.X11-unix/X1
Xvnc4 9734 yoh 8u unix 0xffff8101972e4700 30648515
/tmp/.X11-unix/X1
Xvnc4 9734 yoh 9u unix 0xffff810056c75a00 30648519
/tmp/.X11-unix/X1
Xvnc4 9734 yoh 10u IPv4 41635277 TCP
10.0.0.1:5901->10.0.0.1:55171 (ESTABLISHED)
Xvnc4 9734 yoh 11u unix 0xffff8101e3d00180 30648523
/tmp/.X11-unix/X1
Xvnc4 9734 yoh 12u unix 0xffff8100f28f69c0 30648525
/tmp/.X11-unix/X1
Xvnc4 9734 yoh 13u unix 0xffff8101fadd74c0 36894958
/tmp/.X11-unix/X1
Xvnc4 9734 yoh 14u unix 0xffff810104127780 30662032
/tmp/.X11-unix/X1
Xvnc4 9734 yoh 15u unix 0xffff8101fadd7780 30658252
/tmp/.X11-unix/X1
Xvnc4 9734 yoh 16u unix 0xffff8101f4c3b480 30687805
/tmp/.X11-unix/X1
Xvnc4 9734 yoh 17u unix 0xffff810189050c80 30706297
/tmp/.X11-unix/X1
Xvnc4 9734 yoh 18u unix 0xffff8100f29afc00 34754551
/tmp/.X11-unix/X1
Xvnc4 9734 yoh 19u unix 0xffff810056c74140 34755399
/tmp/.X11-unix/X1
Xvnc4 9734 yoh 20u unix 0xffff8101fc08d980 34756286
/tmp/.X11-unix/X1
Xvnc4 9734 yoh 21u unix 0xffff810104127d00 36895460
/tmp/.X11-unix/X1
Xvnc4 9734 yoh 22u unix 0xffff810104105200 35450514
/tmp/.X11-unix/X1
Xvnc4 9734 yoh 23u unix 0xffff8100f28f6f40 35450530
/tmp/.X11-unix/X1
Xvnc4 9734 yoh 24u unix 0xffff810104104180 36897831
/tmp/.X11-unix/X1
Xvnc4 9734 yoh 25u unix 0xffff8100f28f7780 38677057
/tmp/.X11-unix/X1
Xvnc4 9734 yoh 26u unix 0xffff8101f5dd8140 40086009
/tmp/.X11-unix/X1
Xvnc4 9734 yoh 27u unix 0xffff8101f5dd8400 40086032
/tmp/.X11-unix/X1
Xvnc4 9734 yoh 28u unix 0xffff8101e8c12c00 40086057
/tmp/.X11-unix/X1
Xvnc4 9734 yoh 29u unix 0xffff8101fdcf1680 40086774
/tmp/.X11-unix/X1
Xvnc4 9734 yoh 30u unix 0xffff8101f5dd9a00 40086846
/tmp/.X11-unix/X1
Xvnc4 9734 yoh 31u unix 0xffff8101041274c0 40091701
/tmp/.X11-unix/X1
Xvnc4 9734 yoh 32u unix 0xffff810008580080 40092210
/tmp/.X11-unix/X1
Xvnc4 9734 yoh 33u unix 0xffff8100f28f6c80 40092281
/tmp/.X11-unix/X1
Xvnc4 9734 yoh 34u unix 0xffff8100f28f6440 40092288
/tmp/.X11-unix/X1
Xvnc4 9734 yoh 35u unix 0xffff8100f4584f00 40092503
/tmp/.X11-unix/X1
Xvnc4 9734 yoh 36u unix 0xffff8101da116440 40092524
/tmp/.X11-unix/X1
Xvnc4 9734 yoh 37u unix 0xffff81008173e980 40092590
/tmp/.X11-unix/X1
Xvnc4 9734 yoh 38u unix 0xffff8101da116180 40303111
/tmp/.X11-unix/X1
Xvnc4 9734 yoh 39u unix 0xffff8101e3d00f40 40941549
/tmp/.X11-unix/X1
Xvnc4 9734 yoh 40u unix 0xffff81000a90a900 41635307
/tmp/.X11-unix/X1
Xvnc4 9734 yoh 41u unix 0xffff8101da1169c0 41790400
/tmp/.X11-unix/X1
Xvnc4 9734 yoh 42u unix 0xffff8101e71291c0 41790473
/tmp/.X11-unix/X1
Xvnc4 9734 yoh 43u unix 0xffff810193cb9740 41819297
/tmp/.X11-unix/X1
and after restart I got:
$> of 607
COMMAND PID USER FD TYPE DEVICE SIZE NODE NAME
Xvnc4 607 yoh cwd DIR 0,22 16384 1367693347
/raid/home/yoh (raidserver:/raid/home)
Xvnc4 607 yoh rtd DIR 254,0 912 2 /
Xvnc4 607 yoh txt REG 254,1 6524261 2439
/usr/bin/Xvnc4
Xvnc4 607 yoh mem REG 254,0 47520 23173
/lib/libnss_files-2.7.so
Xvnc4 607 yoh mem REG 254,0 1375536 23176
/lib/libc-2.7.so
Xvnc4 607 yoh mem REG 254,0 93016 6168
/lib/libgcc_s.so.1
Xvnc4 607 yoh mem REG 254,0 534736 23175
/lib/libm-2.7.so
Xvnc4 607 yoh mem REG 254,1 1019216 951
/usr/lib/libstdc++.so.6.0.10
Xvnc4 607 yoh mem REG 254,1 93504 3128
/usr/lib/libz.so.1.2.3.3
Xvnc4 607 yoh mem REG 254,0 119288 23182
/lib/ld-2.7.so
Xvnc4 607 yoh DEL REG 0,8 136577027 /SYSV00000000
Xvnc4 607 yoh DEL REG 0,8 136544258 /SYSV00000000
Xvnc4 607 yoh 0u IPv4 41844532 TCP *:x11-1
(LISTEN)
Xvnc4 607 yoh 1u unix 0xffff8100f28f6180 41844533
/tmp/.X11-unix/X1
Xvnc4 607 yoh 2w REG 0,22 995 1756055100
/raid/home/yoh/.vnc/ravana:1.log (raidserver:/raid/home)
Xvnc4 607 yoh 3u IPv4 41844535 TCP *:5901
(LISTEN)
Xvnc4 607 yoh 4u unix 0xffff8100f28f7200 41844536 socket
Xvnc4 607 yoh 5u unix 0xffff8100f28f7d00 41844610
/tmp/.X11-unix/X1
Xvnc4 607 yoh 6u unix 0xffff8100f29afc00 41844612
/tmp/.X11-unix/X1
Xvnc4 607 yoh 7u unix 0xffff8100f29af680 41844617
/tmp/.X11-unix/X1
Xvnc4 607 yoh 8u unix 0xffff8100f29af940 41844850
/tmp/.X11-unix/X1
Xvnc4 607 yoh 9u unix 0xffff810104104c80 41844859
/tmp/.X11-unix/X1
Xvnc4 607 yoh 10u unix 0xffff8100f45846c0 41844862
/tmp/.X11-unix/X1
Xvnc4 607 yoh 11u unix 0xffff81004ca70ec0 41844864
/tmp/.X11-unix/X1
Xvnc4 607 yoh 12u unix 0xffff8101e83f4440 41844869
/tmp/.X11-unix/X1
Xvnc4 607 yoh 13u IPv4 41848104 TCP
10.0.0.1:5901->10.0.0.1:50054 (ESTABLISHED)
I've opened more of terminals to raise number of /tmp/.X11-unix/X1 but it
didn't impact the performance -- access remained fast (as it should be)
The only other difference visible is seems tobe number of DEL
/SYSV00000000 (deleted "Linux map files")
would you advice anything else to report upon next 'failure'? ;)
--
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Keep in touch // \\ (yoh@|www.)onerussian.com
Yaroslav Halchenko /( )\ ICQ#: 60653192
Linux User ^^-^^ [175555]
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